Quick view Mosasaurus Dinosaur, Very Nice Rubber Replica 4" F8112-B117 Mosasaurus ~ Plastic Replica ~ F8112-B117 Replica Mosasaurus Toy Realistic Model Toy Dinosaur Mosasaurus is an aquatic lizard which lived approximately 70 million to 65 million years ago during the Late Cretaceous Period. It was first discovered... $4.89 Choose Options Compare